A free app for Android, by Maxgol.

Stay on top of your reproductive health with the Women’s Calendar nature app. This app offers a wide range of features to you keep of your menstrual cycle, ovulation, and fertility forecast. You can also use this to keep track of other relevant information, such as mood, pills, temperature, weight, cervical mucus, ovulation test, and more.

One of the app’s standout features is its circular calendar view, which provides a clear and concise visual representation of the menstrual cycle, making it easy to track periods and ovulation at a glance.

Moreover, the Women’s Calendar nature app features password protection, ensuring that your private health information stays secure. It is available in both English and Russian.